I tried a 160 in my 1966 chevelle and it didn't work very well. There was no fan shroud factory and ounce the motor got up to 160 it wouldn't (open/ close) cycle. It would stay open therefore not very good cooling. The 180 worked fine it it.
Dave Ingersoll,Ontario My web site: http://members.tripod.com/benj30/ ----- Original Message ----- From: "John Nasta" <[EMAIL PROTECTED]> To: "The Chevelle Mailing List" <[EMAIL PROTECTED]> Sent: Thursday, April 01, 2004 12:19 PM Subject: RE: [Chevelle-list] thermostat question > Try a smaller WP pulley. Just think of a 10-speed bike. It will make your > fan turn at a higher RPM. > > John Nasta > Old Car Network > http://oldcarnetwork.com > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of > [EMAIL PROTECTED] > Sent: Thursday, April 01, 2004 11:48 AM > To: The Chevelle Mailing List > Subject: Re: [Chevelle-list] thermostat question > > Unless you live in a hot climate (which you don't) a 180 thermostat is fine > for the street. However, if your cooling system currently is at 210 the > thermostat alone won't fix it; it'll open earlier (do you have a 195 in > there now?) and slow the temperature ascent but eventually it'll still reach > 210. Have you verified that this 210 reading is accurate? Factory gauge or > aftermarket? How old is the sending unit? GM gauges work based on > resistance and if you can locate the resistance scale for your car (a > factory service manual might contain it) you can use a combination of > resistors to check the accuracy of the gauge. > > A fan shroud always helps with a mechanical fan but I don't know if '66s > came with one from the factory or what your feeling is regarding the > addition of one. I personally like fixed-blade fans used in conjuction with > thermal clutches. > > The radiator isn't very old, is it? How long has it been since the system's > been flushed? > > Brad O. > > > > > I just ordered a Be Cool 180 degree thermostat for my '66 327 from Jeg's, > and had a > > question about it- They also offered a 160 degree model. I spoke > w/another car > > enthusiast, and they advised to stick with the 180 thermostat, as the 160 > might impact > > how well the heater performs in the Winter. Can anyone provide any > feedback on the 2 > > options, and will this definitely help my motor run cooler? She currently > runs a > > constant 210. I wanted to see what options I had without having to > install an electric > > fan just yet.. > > > > Thanks! > > > > Jim > >

